2430030440 has 32 divisors (see below), whose sum is σ = 5486914080. Its totient is φ = 968572992.

The previous prime is 2430030419. The next prime is 2430030461. The reversal of 2430030440 is 440300342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2430030419) and next prime (2430030461).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96014 + ... + 118653.

It is an arithmetic number, because the mean of its divisors is an integer number (171466065).

Almost surely, 2^2430030440 is an apocalyptic number.

2430030440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2430030440 is an abundant number, since it is smaller than the sum of its proper divisors (3056883640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2430030440 is a wasteful number, since it uses less digits than its factorization.

2430030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214961 (or 214957 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2430030440 is about 49295.3389277323. The cubic root of 2430030440 is about 1344.4270376869.

Adding to 2430030440 its reverse (440300342), we get a palindrome (2870330782).

The spelling of 2430030440 in words is "two billion, four hundred thirty million, thirty thousand, four hundred forty".